﻿// Copyright (c) 2014-2015 Wolfgang Borgsmüller
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without 
// modification, are permitted provided that the following conditions 
// are met:
// 
// 1. Redistributions of source code must retain the above copyright 
//    notice, this list of conditions and the following disclaimer.
// 
// 2. Redistributions in binary form must reproduce the above copyright 
//    notice, this list of conditions and the following disclaimer in the 
//    documentation and/or other materials provided with the distribution.
// 
// 3. Neither the name of the copyright holder nor the names of its 
//    contributors may be used to endorse or promote products derived 
//    from this software without specific prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 
// COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 
// OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 
// TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 
// USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.


using System;
using System.IO;

namespace Chromium.Remote {

    internal abstract class PipeFactory {

        private static PipeFactory singleton;

        internal static PipeFactory Instance {
            get {
                if(singleton == null) {
                    switch(Environment.OSVersion.Platform) {
                        case PlatformID.Win32NT:
                            singleton = new WindowsPipeFactory();
                            break;
                        default:
                            throw new CfxException("Unsupported platform: " + Environment.OSVersion.VersionString);
                    }
                }
                return singleton;
            }
        }


        internal abstract Stream CreateServerPipeInputStream(string name);
        internal abstract Stream CreateServerPipeOutputStream(string name);
        internal abstract Stream CreateClientPipeInputStream(string name);
        internal abstract Stream CreateClientPipeOutputStream(string name);

        internal abstract void WaitForConnection(Stream serverStream);
        internal abstract void Connect(Stream clientStream);

    }
}
